名称:
A one-dimensional nickel(II) coordination polymer containing 2,6-dipicolinate and dipyrido[3,2-a:2′,3′-c]phenazine
摘要:
A new coordination polymer, catena-poly[[(dipyrido[3,2-a:2',3'-c]phenazine-kappa N-2,N') nickel(II)]-mu-2,6-dipicolinato-kappa O-4(2),N,O-6:O-2'], [Ni(C7H3NO4)(C18H10N4)](n), exhibits a one-dimensional structure in which 2,6-dipicolinate acts as a bridging ligand interconnecting adjacent nickel(II) centers to form a chain structure. The asymmetric unit contains one Ni-II center, one dipyrido[3,2-a:2',3'-c] phenazine ligand and one 2,6-dipicolinate ligand. Each Ni II center is six-coordinated and surrounded by three N atoms and three O atoms from one dipyrido[3,2-a:2',3'-c] phenazine ligand and two different 2,6-dipicolinate ligands, leading to a distorted octahedral geometry. Adjacent chains are linked by pi-pi stacking interactions and weak interactions to form a three-dimensional supramolecular network.